server/src/main/java/io/seata/server/logging/listener/SystemPropertyLoggerContextListener.java
/*
 *  Copyright 1999-2019 Seata.io Group.
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package io.seata.server.logging.listener;

import ch.qos.logback.classic.Level;
import ch.qos.logback.classic.Logger;
import ch.qos.logback.classic.LoggerContext;
import ch.qos.logback.classic.spi.LoggerContextListener;
import ch.qos.logback.core.Context;
import ch.qos.logback.core.spi.ContextAwareBase;
import ch.qos.logback.core.spi.LifeCycle;
import io.seata.core.constants.ConfigurationKeys;

/**
 * @author wang.liang
 */
public class SystemPropertyLoggerContextListener extends ContextAwareBase implements LoggerContextListener, LifeCycle {

    private boolean started = false;

    @Override
    public void start() {
        if (started) {
            return;
        }

        Context context = getContext();
        context.putProperty("PORT", System.getProperty(ConfigurationKeys.SERVER_PORT));

        started = true;
    }

    @Override
    public void stop() {
    }

    @Override
    public boolean isStarted() {
        return started;
    }

    @Override
    public boolean isResetResistant() {
        return true;
    }

    @Override
    public void onStart(LoggerContext context) {
    }

    @Override
    public void onReset(LoggerContext context) {
    }

    @Override
    public void onStop(LoggerContext context) {
    }

    @Override
    public void onLevelChange(Logger logger, Level level) {
    }
}